发明名称 |
PROCESS FOR THE PREPARATION OF N-SUBSTITUTED PYRAZOLE COMPOUNDS |
摘要 |
<p>There is provided a process for preparing sulfinyl-pyrazole derivatives of formula (I) which comprises oxidizing substituted amino-4-mercapto-1H-pyrazole compound (II) with an oxidant in the absence of trifluoroperacetic acid. Hydrogen peroxide is a particularly preferred oxidant and is carried out in the presence of sodium tungstate and hydrochloric acid as catalyst.</p> |
申请公布号 |
WO2013037291(A1) |
申请公布日期 |
2013.03.21 |
申请号 |
WO2012CN81295 |
申请日期 |
2012.09.12 |
申请人 |
ROTAM AGROCHEM INTERNATIONAL COMPANY LIMITED;BRISTOW, JAMES TIMOTHY |
发明人 |
BRISTOW, JAMES TIMOTHY |
分类号 |
C07D231/44;A01N43/56;A01P7/04;C07D401/04 |
主分类号 |
C07D231/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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